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Windham County, Connecticut — Property Hazard, Flood Zone, Soil, Water & EPA Guide

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What Are the Flood, Soil Foundation & EPA Risks in Windham County, CT?

In Windham County, Connecticut, public U.S. EPA records track 45 regulated facilities (#15 of 16 in Connecticut), including 2 (4.4%) High-Risk sites and $500,000 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 39 Clean Water NPDES permits, 2 FEMA Federal Disaster Declarations (2 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites (#15/16)
45
High-Risk (4.4% vs 1.4% State)
2
Active Violators (2.2%)
1
Drinking & Clean Water
39
Federal Penalties
$500,000

Windham County, CT 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals

🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan
🌊 Flood Zone & FEMA Disaster History
2 County FEMA Declarations (2 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Requirement Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: LOW • Pipe Corrosion: Moderate
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
0 SDWIS Systems • 39 NPDES Permits
🔒 8 Impaired Water (303d) & 1 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 1 — High Potential (> 4.0 pCi/L)
Low / Non-Karst Bedrock & Alluvial Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Windham County, CT Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)
1. County Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 0 (0.0%)
Clean Water (NPDES) & Drinking Water (SDWIS) 39 (86.7%)
Active EPA Non-Compliance Dockets 1 (2.2%)
High-Risk Enforcement Facilities 2 (4.4%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively High (97.4/100)
🌊 Flood Exposure 7/10 • High Hazard
🔥 Wildfire Hazard 1/10 • Very Low Hazard
☀️ Extreme Heat 5/10 • Moderate Hazard
🌪️ Severe Wind / Storm 7/10 • High Hazard
🫨 USGS Earthquake 2/10 • Low Seismic Hazard
3. County vs. State & National Benchmark
Windham County High-Risk % 4.4%
Connecticut (CT) Statewide Avg 1.4%
U.S. National EPA Baseline 3.6%
Unlock Street-Level Dossier: Full report reveals unredacted facility names, distances in feet, exact USDA soil LEP %, water table depth, and parcel flood zone.
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Top EPA Regulated Facilities in Windham County, CT

100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).

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Facility Name / Hazard Type Sector Location (Street Redacted) Risk Tier & Score Compliance Status Enforcement / Unlock
🔒 Locked High-Risk EPA Enforcement Record #1 🔒 Exact Street & Parcel Redacted • THOMPSON, CT (ZIP 06277 Sector) HIGH (64/100) Significant Violation (3 qtrs NC) 🔒 3 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • PUTNAM, CT (ZIP 06260 Sector) MODERATE (31/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • CHAPLIN, CT (ZIP 06235 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • MOOSUP, CT (ZIP 06354 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • MOOSUP, CT (ZIP 06354 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • CANTERBURY, CT (ZIP 06331 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
5 QUINEBAUG CAMP ROAD FREE PREVIEW (LOW RISK) 5 QUINEBAUG CAMP RD, CANTERBURY, CT 06331 LOW (18/100) No Violation Identified (0 qtrs NC) $0
BOLLORE, INC. FREE PREVIEW (LOW RISK) 60 LOUISA VIENS DRIVE, DAYVILLE, CT 06241 LOW (18/100) No Violation Identified (0 qtrs NC) $0
JULIAN ENTERPRISES FREE PREVIEW (LOW RISK) 53-59 BRUNSWICK AVE, PLAINFIELD, CT 06374 LOW (18/100) No Violation Identified (0 qtrs NC) $0
WWP - CANTERBURY RECYCLING FREE PREVIEW (LOW RISK) 32 PACKER RD, CANTERBURY, CT 06331 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • POMFRET CENTER, CT (ZIP 06259 Sector) LOW (17/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • DANIELSON, CT (ZIP 06239 Sector) LOW (17/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 + 33 Additional Regulated & Enforcement Records in Windham County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Windham County, Connecticut Environmental Due Diligence

How many EPA-regulated environmental sites are in Windham County County, Connecticut?

Public U.S. EPA records track 45 regulated facilities in Windham County County, Connecticut (ranking #15 of 16 jurisdictions in CT). Of those, 2 (4.4%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 1 (2.2%) have active non-compliance quarters.

Which ZIP codes and cities in Windham County County have the highest regulated facility density?

Within Windham County County, the highest concentrations of EPA-tracked facilities are located in ZIP 06483 (Seymour, 61 sites), ZIP 06354 (Moosup, 25 sites), ZIP 06277 (Thompson, 25 sites), spanning municipal corridors including Seymour (61 sites), Thompson (29 sites), Moosup (24 sites).

How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Windham County County?

Across Windham County County, 0 facilities (0.0% of regulated sites) are registered Resource Conservation and Recovery Act (RCRA) hazardous waste generators or handlers, and 0 industrial sites report toxic chemical releases to the EPA Toxics Release Inventory (TRI).

What is the EPA Radon Zone classification for Windham County County, CT?

Geologic indoor air screening places Windham County County in EPA Zone 1 — High Potential (> 4.0 pCi/L). Counties in EPA Radon Zone 1 have a predicted average indoor radon screening level greater than 4.0 pCi/L (the EPA action threshold). Short-term or continuous indoor radon testing is strongly recommended prior to closing.

How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Windham County County, CT?

Federal records track 0 Safe Drinking Water (SDWIS) facilities, 39 Clean Water Act NPDES permits, and 8 impaired water dischargers in Windham County County, alongside 2 historical FEMA federal disaster declarations (2 flood/storm events).

Does Windham County, CT have expansive clay soil or foundation risk?

USDA regional soil engineering screening for Windham County indicates a LOW shrink-swell risk signal and steel pipe corrosivity rated Moderate. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.

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